- Integrated Surface Dataset (ISD) station ID: 725337
- Country: US
- State: IN
- Latitude: 41.617
- Longitude: -87.417
A Weather Bureau Army Navy (WBAN) station ID was found for this station. Older data may be available at the WBAN page.
High Temperatures
On August 25 in GARY/CHICAGO AIRPORT the average high temperature is 82.2 °F (27.9 °C). The lowest recored high temperature was 63.0 °F (17.2 °C) in 1987 and the highest recored high temperature was 95.0 °F (35.0 °C) in 1991. The high temperature is usually* between 77.7 °F (25.4 °C) and 86.8 °F (30.4 °C). About a quarter of the time, the high temperature is less than 77.7 °F (25.4 °C), and another quarter of the time, the high temperature is greater than and 86.8 °F (30.4 °C). About 95% of the time, the high temperature has been between 69.1 °F (20.6 °C) and 95.4 °F (35.2 °C).
Low Temperatures
On August 25 in GARY/CHICAGO AIRPORT the average low temperature is 65.2 °F (18.4 °C). The lowest recored low temperature was 51.8 °F (11.0 °C) in 2017 and the lowest recored low temperature was 73.4 °F (23.0 °C) in 2003. The low temperature is usually* between 61.1 °F (16.2 °C) and 69.2 °F (20.7 °C). About a quarter of the time, the low temperature is less than 61.1 °F (16.2 °C), and another quarter of the time, the low temperature is greater than and 69.2 °F (20.7 °C). About 95% of the time, the low temperature has been between 53.4 °F (11.9 °C) and 76.9 °F (24.9 °C).
Frost
On August 25 in GARY/CHICAGO AIRPORT expect the temperatures to drop below freezing for a risk of frost about 0.0% of the time.
Data Source(s)
The data used to compute the average high/low temperatures for this location were taken from the following stations:
- GARY/CHICAGO AIRPORT — Integrated Surface Dataset (ISD) station ID: 725337 — Weather Bureau Army Navy (WBAN): 04807 — from year 2006 to 2025
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— Integrated Surface Dataset (ISD) station ID: 725337 — from year 1981 to 2005